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<head><meta charset="utf-8"><title>instance printing · t-compiler/const-eval · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/index.html">t-compiler/const-eval</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html">instance printing</a></h3>

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<a name="136692853"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136692853" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136692853">(Oct 29 2018 at 09:03)</a>:</h4>
<p><span class="user-mention" data-user-id="124288">@Oli</span> I think your instance printing fix was incomplete. With <a href="https://github.com/RalfJung/rust/commit/22b1fae859d3afc5caa108239f36ead893f0132b" target="_blank" title="https://github.com/RalfJung/rust/commit/22b1fae859d3afc5caa108239f36ead893f0132b">https://github.com/RalfJung/rust/commit/22b1fae859d3afc5caa108239f36ead893f0132b</a>, I still get ICEs when building libcore.</p>



<a name="136692897"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136692897" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136692897">(Oct 29 2018 at 09:04)</a>:</h4>
<p>backtrace: <a href="https://paste.debian.net/1049519/" target="_blank" title="https://paste.debian.net/1049519/">https://paste.debian.net/1049519/</a></p>



<a name="136692927"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136692927" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> oli <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136692927">(Oct 29 2018 at 09:06)</a>:</h4>
<p>weird, I'm sure I tried it out. Maybe I built repros and only tried those... I don't remember</p>



<a name="136693364"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136693364" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136693364">(Oct 29 2018 at 09:15)</a>:</h4>
<p>I am now rebuilding after <code>rm build/*/stage* -rf</code>, just to be sure</p>



<a name="136693407"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136693407" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136693407">(Oct 29 2018 at 09:16)</a>:</h4>
<p>(but the symptoms are different than the incremental issue I have now run into twice)</p>



<a name="136694917"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136694917" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136694917">(Oct 29 2018 at 09:48)</a>:</h4>
<p>the issue reproduces with a clean build</p>



<a name="136695075"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136695075" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136695075">(Oct 29 2018 at 09:52)</a>:</h4>
<p>See <a href="https://github.com/rust-lang/rust/issues/55464" target="_blank" title="https://github.com/rust-lang/rust/issues/55464">https://github.com/rust-lang/rust/issues/55464</a></p>



<a name="136717505"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136717505" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> RalfJ <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136717505">(Oct 29 2018 at 16:25)</a>:</h4>
<p><span class="user-mention" data-user-id="124288">@Oli</span> can I assign that issue to you? :)</p>



<a name="136717544"></a>
<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/146212-t-compiler/const-eval/topic/instance%20printing/near/136717544" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> oli <a href="https://rust-lang.github.io/zulip_archive/stream/146212-t-compiler/const-eval/topic/instance.20printing.html#136717544">(Oct 29 2018 at 16:26)</a>:</h4>
<p>sure</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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